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Finding the Fourth Proportional to 59,102.70, 88,666.20 and 19,688.10

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Solution

The fourth proportional to 59,102.70, 88,666.20 and 19,688.10 is: 29,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,102.70 : 88,666.20 = 19,688.10 : x
  2. Step 2: Convert to fraction form
    59,102.70/88,666.20 = 19,688.10/x
  3. Step 3: Cross multiply
    59,102.70x = 88,666.20 × 19,688.10
  4. Step 4: Simplify right side
    59,102.70x = 1,745,669,012.22
  5. Step 5: Solve for x
    x = 1,745,669,012.22/59,102.70
  6. Step 6: Final answer
    x = 29,536.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.